because it starts with the outcome (obesity) and looks back at exposure (diet). Organize Data into a 2x2 Table Obese (Cases) Non-Obese (Controls) is greater than or equal to 2 servings/day < 2 servings/day Calculate the Odds Ratio (OR)
where a = 200, b = 100, c = 100, and d = 300 5.1.1 epidemiology study analysis practice problems answers
| | Disease (+) | Disease (-) | Total | |----------------|-------------|-------------|-------| | **Exposed (+) ** | A | B | A+B | | | C | D | C+D | because it starts with the outcome (obesity) and
In a survey of 1,000 adults, 300 are sedentary (no exercise). Among these sedentary adults, 60 have diabetes. Among the 700 active adults, 70 have diabetes. b = 100